The single LARGEST vaccine–dementia study ever conducted (n=13.3 MILLION) found that adult vaccines (flu, pneumococcal, shingles, tetanus, diphtheria, pertussis) increase risk of DEMENTIA (+38%) and ALZHEIMER’S (+50%) for a DECADE April 20, 2026https://x.com/NicHulscher/status/2046199227030610364?s=20